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Simplifying z2 + -7x + -30 = 0 Reorder the terms: -30 + -7x + z2 = 0 Solving -30 + -7x + z2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '30' to each side of the equation. -30 + -7x + 30 + z2 = 0 + 30 Reorder the terms: -30 + 30 + -7x + z2 = 0 + 30 Combine like terms: -30 + 30 = 0 0 + -7x + z2 = 0 + 30 -7x + z2 = 0 + 30 Combine like terms: 0 + 30 = 30 -7x + z2 = 30 Add '-1z2' to each side of the equation. -7x + z2 + -1z2 = 30 + -1z2 Combine like terms: z2 + -1z2 = 0 -7x + 0 = 30 + -1z2 -7x = 30 + -1z2 Divide each side by '-7'. x = -4.285714286 + 0.1428571429z2 Simplifying x = -4.285714286 + 0.1428571429z2
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